Absolutely, in most cases, you can accept international payments with your online merchant account. The ability to process international transactions is a common feature provided by many online payment processors and merchant account providers. Here are some key points to consider: 
1. Check with Your Provider: The first step is to check with your current provider of online payment processing company. Most modern payment solutions are designed to facilitate international transactions, but it's essential to confirm this with your specific provider. 
2. Multi-Currency Support: Ensure that your online merchant account or payment gateway supports multiple currencies. This feature allows customers from different countries to make purchases in their local currency, enhancing the user experience and potentially increasing sales. 
3. Global Payment Methods: Consider offering a variety of alternative payment methods commonly used in different regions. This may include credit cards, debit cards, digital wallets, and other region-specific payment options.
 4. Compliance and Regulations: Be aware of international compliance and regulatory requirements. Different countries may have specific rules regarding online transactions, data protection, and consumer rights. Ensure that your business operations align with these regulations. 
5. Security Measures: Implement robust security measures to protect against fraud. International transactions can sometimes be associated with a higher risk of fraudulent activity, so having advanced fraud detection tools in place is crucial.
 6. Understand Conversion Rates: Keep in mind that currency exchange rates fluctuate. Clearly communicate any fees or exchange rate information to your customers during the checkout process to avoid confusion.
 7. Customer Support: Provide excellent customer support, especially for international customers. Clear communication and responsive customer service can help address any concerns or issues related to international transactions. 
8. Consider a Global Payment Processor: If your current provider doesn't offer the international capabilities you need, you might consider working with a global payment gateway provider that specializes in facilitating cross-border transactions. These providers often have the infrastructure and expertise to support international commerce.
 9. Stay Informed About Trends: Stay informed about global e-commerce trends and preferences. Understanding the payment habits of customers in different regions can help you tailor your offerings and improve the overall customer experience. 
10. Legal and Tax Implications: Be aware of the legal and tax implications of international transactions. It's advisable to seek professional advice to ensure compliance with tax regulations in the countries where you do business. Overall, accepting international payments with your online merchant account is generally feasible and can significantly expand your customer base. However, it's crucial to check the capabilities of your current provider, implement necessary features, and stay informed about the complexities associated with international transactions.